Highly bulky spherosilicates as functional additives for polyethylene processing—Influence on mechanical and thermal properties

In this work, a series of cage siloxanes (spherosilicate [SS] type) was tested as functional additives for preparation of polyethylene (PE)‐based nanocomposites. For this purpose, the compounds were prepared by condensation and olefin hydrosilylation reactions. The effect of these products on proper...

Full description

Saved in:
Bibliographic Details
Published in:Polymer composites 2020-08, Vol.41 (8), p.3389-3402
Main Authors: Brząkalski, Dariusz, Przekop, Robert E., Dobrosielska, Marta, Sztorch, Bogna, Marciniak, Piotr, Marciniec, Bogdan
Format: Article
Language:English
Subjects:
Additives
composites
Condensates
Crystallography
Flow velocity
Functional groups
Hydrosilylation
Nanocomposites
Polyethylene
polyethylene (PE)
Polyethylenes
processing
Rheological properties
Siloxanes
Thermal decomposition
thermal properties
Thermal stability
Thermodynamic properties
Thermogravimetry
Thermomechanical analysis
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:In this work, a series of cage siloxanes (spherosilicate [SS] type) was tested as functional additives for preparation of polyethylene (PE)‐based nanocomposites. For this purpose, the compounds were prepared by condensation and olefin hydrosilylation reactions. The effect of these products on properties of obtained nanocomposites was analyzed by means of mechanical, microscopic (scanning electron microscopy‐energy dispersive spectroscopy), crystallographic (X‐ray diffraction), thermal (differential scanning calorimetry, thermogravimetry), rheological Melt flow rate (MFR), and thermomechanical (heat deflection temperature) analyses. The results were compared with similar reports on silsesquioxane‐ and SS‐reinforced PE systems. Effects of SS functional group structure on the behavior of the additive and properties of the composite system were discussed. Aspects of thermal decomposition of PE‐containing SS were studied and a probable mechanism of these polymer systems degradation was proposed. In this work, highly dispersive spherosilicate derivatives have been synthesized and applied as functional additives for polyethylene processing. Thermal and mechanical properties, as well as microscopic structure of the obtained composites were studied.
ISSN:0272-8397
1548-0569
DOI:10.1002/pc.25628